8857280

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:417

約数の個数: 56

約数和(自身を含む): 21396960

約数和(自身を除く): 12539680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 311, 320, 356, 445, 622, 712, 890, 1244, 1424, 1555, 1780, 2488, 2848, 3110, 3560, 4976, 5696, 6220, 7120, 9952, 12440, 14240, 19904, 24880, 27679, 28480, 49760, 55358, 99520, 110716, 138395, 221432, 276790, 442864, 553580, 885728, 1107160, 1771456, 2214320, 4428640, 8857280]

約数ペア:

[(1, 8857280), (2, 4428640), (4, 2214320), (5, 1771456), (8, 1107160), (10, 885728), (16, 553580), (20, 442864), (32, 276790), (40, 221432), (64, 138395), (80, 110716), (89, 99520), (160, 55358), (178, 49760), (311, 28480), (320, 27679), (356, 24880), (445, 19904), (622, 14240), (712, 12440), (890, 9952), (1244, 7120), (1424, 6220), (1555, 5696), (1780, 4976), (2488, 3560), (2848, 3110)]